Base | Representation |
---|---|
bin | 11001010111000… |
… | …11101100111000 |
3 | 112211022120022001 |
4 | 30223203230320 |
5 | 413430320031 |
6 | 33035510344 |
7 | 5162205601 |
oct | 1453435470 |
9 | 484276261 |
10 | 212745016 |
11 | aa0a8530 |
12 | 5b2b83b4 |
13 | 350ca433 |
14 | 2037cda8 |
15 | 13a25861 |
hex | cae3b38 |
212745016 has 16 divisors (see below), whose sum is σ = 435160440. Its totient is φ = 96702240.
The previous prime is 212745011. The next prime is 212745017. The reversal of 212745016 is 610547212.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212745011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1208691 + ... + 1208866.
Almost surely, 2212745016 is an apocalyptic number.
It is an amenable number.
212745016 is an abundant number, since it is smaller than the sum of its proper divisors (222415424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212745016 is a wasteful number, since it uses less digits than its factorization.
212745016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2417574 (or 2417570 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 28.
The square root of 212745016 is about 14585.7812954946. The cubic root of 212745016 is about 596.9708588346.
The spelling of 212745016 in words is "two hundred twelve million, seven hundred forty-five thousand, sixteen".
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